VISCOELASTIC PROPERTIES OF PHENOLPHTHALEIN POLY(ETHER KETONE)

被引：4
|
作者：
HAN, YC
YANG, YM
LI, BY
FENG, ZL
机构：
[1] Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1995年 / 56卷 / 10期
关键词：
D O I：
10.1002/app.1995.070561016
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Stress relaxation and dynamic mechanical behavior of phenolphthalein poly(ether ketone) (PEK-C) have been investigated. Using Ferry's reduction method, the master curve was obtained. From the experimental results, we found that the WLF equation is not appropriate in the lower-temperature range (T < T-g). The relaxation spectrum was calculated according to the first approximation method proposed by Schwarzl and Staverman. In addition to the alpha-transition region, a second transition zone is revealed at low temperature. This transition is probably due to a restricted motion of its main chain. (C) 1995 John Wiley and Sons, Inc.
引用
收藏
页码：1349 / 1353
页数：5
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